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Windows 7: BSOD - probably because of old drivers that I am unable to remove

I am running win 7 x64 on a E6750 Core2Duo on Asus P5E VM HDMI motherboard, 4 GB OCZ memory. I am getting random and increasingly more frequent BSODs. I replaced the memory, tried 2 new video cards as well as the built-in graphics, but still get BSODs. Re-installed Windows, remains stable for some days and then BSODs started again.

In the past few months, I do not get a BSOD but the display flickers and the computer crashes. Sometimes I get a message "Display driver igfx stopped responding and has successfully recovered." but of course it does not recover. I have to re-start by turning it off and on again. No mini-dumps are generated because there are no BSODs.

Steps taken so far:

1. Installed new video cards and new drivers.
2. Updated all drivers.
3. Tried to remove ASACPI - the Asus MB utility. But looks like I cannot seem to remove it from the Registry.
4. Ran multiple virus and malware scans.
5. SFC/scannow shows no problems. Disk drives are defragmented.

I had another computer exactly like this with the exact same problem- when I upgraded to Windows 8 on that machine, the BSODs stopped and it has NEVER crashed. From this I assume that the problem is not hardware related but is probably related to a Windows 7 driver.

I am attaching SF_Diagnostic_Tool file as well as DM Log Collector. For 3 of mini dmp files, I get access denied and cannot add them to the archive. But as can see, all of the mini dmps are from 2013. The computer crashes almost everyday but no mini dmps are generated nowadays.

I would prefer not to upgrade this machine to Windows 8 if I can find a solution to the crashes.

Now wait for another BSOD. When it occurred, search the .dmp files manually in the default path: C:\Windows\Minidump or %SystemRoot%\Minidump. See if the crash dump is recorded or not (hopefully it will be recorded).Post it following the Blue Screen of Death (BSOD) Posting Instructions.

Thanks, Arc. The problem is that there are no BSODs now - the computer just freezes and becomes unresponsive. I have to restart it by turning off the power. Will your suggestion still create a dump file ?

Here is what I did. On 4/12, I looked at Device Manager and found a ! mark in a yellow triangle in front of ATK0110 ACPI Utility. On looking at the properties tab, it said "A driver (service) for this device has been disabled. An alternate driver may be providing this functionality. (Code 32)". I removed the driver and the next time I tried to start the computer, it would not boot. I had to let it rollback to the last time it started before I made the change in ATK0110 ACPI Utility. It starts now, but the ! sign is back. Somehow, I think this is the culprit driver for all my troubles ?

On another note, there is another minidmp file from a month ago that I am unable to do anything with because it says I do not have permission, no matter what I try (I have tried the solutions posted on this forum to get permission but none of them work).

I did the Driver Verifier today - and the computer would not start at all. Rolled it back with system restore. A new mini dump was generated. I am attaching it to this message.

I read the minidump and figured out that it was pointing to Trusteer software. I uninstalled it, and re-ran driver verifier. Another BSOD and minidump. Now it pointed to another software, Daemon. I uninstalled that as well, and am now running the verifier again. So far so good. No BSOD as yet. Will keep you updated.

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